Progress against the field
From Maastricht 2024 to Heerenveen 2026, the field gained 20:05 on Arco Kolken.
The clock says 5:41 slower, but the races themselves got 14:24 quicker for everyone.
328 days between Rotterdam 2025 and Amsterdam 2026 is the longest gap compared here, and the second race was 16:10 behind the field.
How this is worked out ⓘ
A finish time moves for two reasons: the athlete, and the race — its course, its floor, its day. For each pair of races in a row in one category, we take everyone who raced both and use the middle of how much they moved (the median) as "the race". Whatever is left is the athlete. Doubles are compared only when the same two people raced both, and told as the pair's; relays are left out. A pair with fewer than 15 athletes in common is not shown. The summary above covers Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
16 races · 14 events
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Maastricht19 Sep 2026Relay · Men58:068/37Beat 78%
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Heerenveen14 May 2026Individual Open · Men1:13:16190/966Beat 80%
↑ 29 days after Rotterdam 2026 6:23 worse than the field Why ↓Close ↑
6:23 behind the field: 4:36 slower on the clock, against 1:47 faster for everyone.
The fieldCompare these two →1:47 faster This athlete4:36 slower -
Helsinki9 May 2026Doubles Pro · Men1:03:08 PB77/168Beat 54%
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Helsinki9 May 2026Doubles Open · Men1:00:45 PB29/431Beat 93%
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Rotterdam15 Apr 2026Individual Open · Men1:08:4040/570Beat 93%
↑ 84 days after Amsterdam 2026 5:21 better than the field Why ↓Close ↑
5:21 better than the field: 7:29 faster on the clock, against 2:08 faster for everyone.
The fieldCompare these two →2:08 faster This athlete7:29 faster -
Mechelen26 Mar 2026Relay · Men1:00:0016/53Beat 70%
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Mechelen26 Mar 2026Doubles Pro · Men1:04:22211/493Beat 57%
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Amsterdam21 Jan 2026Individual Open · Men1:16:09169/608Beat 72%
↑ 328 days after Rotterdam 2025 16:10 worse than the field Why ↓Close ↑
16:10 behind the field: 11:47 slower on the clock, against 4:23 faster for everyone.
The fieldCompare these two →4:23 faster This athlete11:47 slower -
Utrecht28 Nov 2025Individual Pro · Men1:21:1581/215Beat 62%
↑ 203 days after Heerenveen 2025 0:14 worse than the field Why ↓Close ↑
0:14 behind the field: 1:50 slower on the clock, against 1:36 slower for everyone.
The fieldCompare these two →1:36 slower This athlete1:50 slower -
Dublin12 Nov 2025Doubles Pro · Men1:04:4432/83Beat 61%
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Heerenveen9 May 2025Individual Pro · Men1:19:25 PB92/216Beat 57%
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Belgium5 Apr 2025Doubles Open · Men1:04:00115/898Beat 87%
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Rotterdam27 Feb 2025Individual Open · Men1:04:2218/1283Beat 99%
↑ 140 days after Amsterdam 2024 3:41 worse than the field Why ↓Close ↑
1:45 slower on the clock in a race that was 1:56 faster for everyone: 3:41 lost to the field.
The fieldCompare these two →1:56 faster This athlete1:45 slower -
Amsterdam10 Oct 2024Individual Open · Men1:02:37 PB30/1539Beat 98%
↑ 264 days after Maastricht 2024 0:48 better than the field Why ↓Close ↑
0:48 better than the field: 4:58 faster on the clock, against 4:10 faster for everyone.
The fieldCompare these two →4:10 faster This athlete4:58 faster -
Maastricht20 Jan 2024Individual Open · Men1:07:3541/781Beat 95%
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Malmö30 Sep 2023Individual Open · Men1:16:4542/186Beat 77%